Vintage JCPenney Stevens beauty blend no iron twin flat sheet 39" x 76" mattress White with Rainbow color edges . Twin flat sheet for 39" x 76" mattress No iron 50 % polyester 50% cotton Made in USA Condition: pre - owned, like new . “All measurements provided are approximate. Please make sure to measure your mattress before placing your order to get your exact size, as length & width sometimes vary " Vintage Stevens Beauty Blend No Iron Twin Flat Sheet, White Rainbow Border Sheet, Combed Cotton 70S Bed Bedding, Stripes